CN212867648U - Novel noise-reducing heat-insulating sleeve of steam turbine - Google Patents
Novel noise-reducing heat-insulating sleeve of steam turbine Download PDFInfo
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- CN212867648U CN212867648U CN202021865878.9U CN202021865878U CN212867648U CN 212867648 U CN212867648 U CN 212867648U CN 202021865878 U CN202021865878 U CN 202021865878U CN 212867648 U CN212867648 U CN 212867648U
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Abstract
The utility model relates to a novel steam turbine noise reduction and heat preservation sleeve, which comprises a fire-resistant coating, a heat preservation layer, a noise reduction layer and an outer protection layer; the fire-resistant coating is coated on the bottom surface of the heat-insulating layer, and the top surface of the heat-insulating layer is sequentially provided with a noise reduction layer and an outer protective layer; the utility model has the advantages that firstly, the heat preservation sleeve of the utility model increases the fire-resistant coating and the noise reduction layer on the traditional heat preservation sleeve, on one hand, the heat insulation performance of the whole heat preservation sleeve is increased, and simultaneously, the noise generated by the vibration in the operation process of the steam turbine can be reduced, thereby realizing the heat preservation of the steam turbine and reducing the noise pollution, and achieving the effect of improving the energy conservation and emission reduction; secondly, the utility model discloses a jacket simple structure, material easily select and low price, easy dismounting and keep warm respond well.
Description
Technical Field
The utility model relates to a noise reduction technical field, a novel steam turbine noise reduction insulation cover of specific design.
Background
At present, a high-temperature-resistant insulating sleeve is required to be coated on the surface of a steam turbine in the operation process, and the main purpose of the high-temperature-resistant insulating sleeve is to reduce the loss of heat and energy of the steam turbine and equipment such as a pipeline thereof in the operation process and achieve the effects of improving energy reduction and emission reduction; in addition, the heat insulation material and the heat insulation process thereof also directly influence the heat insulation quality of the steam turbine and the subsequent maintenance cost. However, the existing insulating sleeve mainly adopts insulating materials with simple structures, so that noise is generated due to vibration in the operation process of the steam turbine.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel steam turbine noise reduction insulation cover, when reducing the heat and the energy loss of steam turbine and supporting pipeline, the insulation cover is at the noise that the steam turbine installation produced.
The utility model adopts the technical proposal that: a novel noise reduction and heat insulation sleeve for a steam turbine comprises a fire-resistant coating, a heat insulation layer, a noise reduction layer and an outer protection layer; the fire-resistant coating is coated on the bottom surface of the heat preservation layer, and the top surface of the heat preservation layer is sequentially provided with a noise reduction layer and an outer protective layer.
Preferably, the outer protective layer of the noise-reducing and heat-insulating sleeve for the steam turbine is an aluminum skin layer, and the thickness of the outer protective layer is 0.8-1 mm.
Preferably, the outer protective layer of the noise-reducing and heat-insulating sleeve for the steam turbine is formed by connecting a plurality of aluminum skin hasps.
Preferably, the noise reduction layer is an aluminum silicate fiber needled felt, and the thickness of the noise reduction layer is 30-50 mm.
Preferably, the steam turbine noise reduction and heat insulation sleeve is characterized in that the heat insulation layer is sequentially a soft porcelain heat insulation layer and a glass wool heat insulation layer from inside to outside.
Preferably, the steam turbine noise reduction and heat insulation sleeve has a thickness of 0.3-0.5 cm.
Preferably, the thicknesses of the soft porcelain heat-insulating layer and the glass wool heat-insulating layer of the steam turbine noise-reducing heat-insulating sleeve are both 0.15-0.3 cm.
Preferably, the fireproof coating is a ceramic limiting fireproof heat insulation coating, and the type of the fireproof heat insulation coating is RLHY-1201.
By adopting the technical scheme, the beneficial effects of the utility model are that: the heat-insulating sleeve of the utility model is added with the fireproof coating and the noise reduction layer, on one hand, the heat-insulating property of the whole heat-insulating sleeve is increased, and simultaneously, the noise generated by the vibration in the operation process of the steam turbine can be reduced, thereby realizing the heat insulation of the steam turbine and reducing the noise pollution, and achieving the effect of improving the energy conservation and emission reduction; secondly, the utility model discloses a jacket simple structure, material easily select and low price, easy dismounting and keep warm respond well.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1-refractory coating; 2-insulating layer; 21-soft porcelain insulating layer; 22-glass wool heat insulation layer; 3-a noise reduction layer; 4-outer protective layer.
Detailed Description
As shown in fig. 1, the novel turbine noise reduction and insulation sleeve comprises a fire-resistant coating 1, an insulation layer 2, a noise reduction layer 3 and an outer protective layer 4; the fireproof coating 1 is coated on the bottom surface of the heat preservation layer 2, and the top surface of the heat preservation layer 2 is sequentially provided with a noise reduction layer 3 and an outer protective layer 4.
The preferable above-mentioned steam turbine noise reduction insulation cover, outer inoxidizing coating 4 is the aluminium skin layer, and thickness is 0.8 ~ 1mm, outer inoxidizing coating 4 can place external environment and right fire coating 1, heat preservation 2 and noise reduction layer 3 cause the destruction.
Preferably, the outer protective layer 4 is formed by connecting a plurality of aluminum sheet hasps, and when a certain part of the thermal insulation sleeve fails or needs to be overhauled, the outer protective layer 4 at the position can be detached independently.
Preferably, the noise reduction layer 3 is an aluminum silicate fiber needled felt, and the thickness of the noise reduction layer is 30-50 mm.
According to the preferable steam turbine noise reduction and heat insulation sleeve, the thickness of the heat insulation layer 2 is 0.3-0.5cm, the heat insulation layer 2 sequentially comprises the soft porcelain heat insulation layer 21 and the glass wool heat insulation layer 22 from inside to outside, the thicknesses of the soft porcelain heat insulation layer 21 and the glass wool heat insulation layer 22 are 0.15-0.3 cm, and the heat insulation layer 2 achieves double heat insulation effects on heat-resistant equipment.
The preferable noise-reducing and heat-insulating sleeve for the steam turbine is characterized in that the refractory coating 1 is a ceramic limiting refractory heat-insulating coating, the type is RLHY-1201, and the refractory coating is sprayed on the bottom surface of the heat-insulating layer 2 to form a fastened hardened layer in the using process, so that the steam turbine can be used in a high-temperature environment above 1800 ℃ for a long time, and good refractory and heat-insulating effects are provided.
When the thermal insulation sleeve is used, the thermal insulation sleeve is directly coated outside the steam turbine and the pipeline thereof.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel steam turbine noise reduction insulation cover which characterized in that: comprises a fire-resistant coating (1), a heat-insulating layer (2), a noise-reducing layer (3) and an outer protective layer (4); the fireproof coating (1) is coated on the bottom surface of the heat preservation layer (2), and the top surface of the heat preservation layer (2) is sequentially provided with a noise reduction layer (3) and an outer protective layer (4).
2. The novel turbine noise reduction insulation cover according to claim 1, characterized in that: the outer protective layer (4) is an aluminum skin layer, and the thickness of the outer protective layer is 0.8-1 mm.
3. The novel turbine noise reduction insulation cover according to claim 2, characterized in that: the outer protective layer (4) is formed by connecting a plurality of aluminum skin hasps.
4. The novel turbine noise reduction insulation cover according to claim 1, characterized in that: the noise reduction layer (3) is an aluminum silicate fiber needled felt, and the thickness of the noise reduction layer is 30-50 mm.
5. The novel turbine noise reduction insulation cover according to claim 1, characterized in that: the heat-insulating layer (2) is sequentially provided with a soft porcelain heat-insulating layer (21) and a glass wool heat-insulating layer (22) from inside to outside.
6. The novel turbine noise reduction insulation cover according to claim 5, characterized in that: the thickness of the heat-insulating layer (2) is 0.3-0.5 cm.
7. The novel turbine noise reduction insulation cover according to claim 6, characterized in that: the thickness of the soft porcelain heat-insulating layer (21) and the thickness of the glass wool heat-insulating layer (22) are both 0.15-0.3 cm.
8. The novel turbine noise reduction insulation cover according to claim 1, characterized in that: the refractory coating (1) is a ceramic limit refractory heat-insulating coating and is of a type RLHY-1201.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021865878.9U CN212867648U (en) | 2020-08-31 | 2020-08-31 | Novel noise-reducing heat-insulating sleeve of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021865878.9U CN212867648U (en) | 2020-08-31 | 2020-08-31 | Novel noise-reducing heat-insulating sleeve of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212867648U true CN212867648U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021865878.9U Active CN212867648U (en) | 2020-08-31 | 2020-08-31 | Novel noise-reducing heat-insulating sleeve of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212867648U (en) |
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2020
- 2020-08-31 CN CN202021865878.9U patent/CN212867648U/en active Active
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